9/16" x 6" Magnetic Swivel Spark Plug Socket
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Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket

Part No. 3938D Warranty Details  
Fits 9/16" spark plugs used on the Ford F-150 with the Triton V8 engine.

Product Features:
  • Magnetic insert holds plugs for removal and installation
  • 360° swivel action
  • 6-point, 3/8" drive
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Finish:Mirror
Impact Wrench Use:No
Material:Chrome Vanadium
Socket Drive Size:3/8 in
Socket Size:9/16 in

REVIEW SNAPSHOT®

by PowerReviews
Gear Wrench9/16" x 6" Magnetic Swivel Spark Plug Socket
 
4.4

(based on 17 reviews)

Ratings Distribution

  • 5 Stars

     

    (12)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

94%

of respondents would recommend this to a friend.

Pros

  • Durable (12)
  • Versatile (10)
  • Good grip (8)
  • Lightweight (5)
  • Good power output (4)

Cons

No Cons

Best Uses

  • Regular maintenance (12)
  • Automotive repair shop (10)
  • Home (8)
  • Minor repairs (3)
    • Reviewer Profile:
    • Casual driver (3)
    • Reviewer Profile:
    • Auto enthusiast (6), Truck enthusiast (6), Casual driver (4)

Most Liked Positive Review

 

Works with 2005 F-250 with 5.4L

This or similar product is necessary to make removal of the plugs for Ford 5.4L easier. Ford made the process very complex and this tool helps.

Following Ford's guidelines I backed...Read complete review

This or similar product is necessary to make removal of the plugs for Ford 5.4L easier. Ford made the process very complex and this tool helps.

Following Ford's guidelines I backed the plug out 1/8th turn and added a small amount of penetrating fluid to loosen carbon and other buildup before removing the plug. Ford calls for Motorcraft carb cleaner, I used Sea Foam Creep. I waited two hours instead of Ford's lesser amount of time for the cleaner to do it's job. I then backed the plug out another 1/4 turn, and then re-tightened, backed out 1/4 turn and waited another 15 mins. Then removed the plug with none of the horror stories you will find about this process.

You will need multiple extensions and swivel to get to a convenient place to turn a ratchet.

VS

Most Liked Negative Review

 

Doesn't fit the Motorcraft SP-509 used in Trition V8

Despite the fact that this socket is specifically advertised for the spark plugs used in the Triton V8, it is too shallow to accommodate the Motorcraft SP-509 plug currently used in the Triton...Read complete review

Despite the fact that this socket is specifically advertised for the spark plugs used in the Triton V8, it is too shallow to accommodate the Motorcraft SP-509 plug currently used in the Triton V8. Kudos to Advance Auto for offering to refund my money despite the fact that it was outside the 90 days.

Reviewed by 17 customers

Displaying reviews 1-10

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1.0

Does not work on all 9/16 spark plug

By 

from Northern, VA

About Me Auto Enthusiast, Truck Enthusiast

Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

I bought this to change the spark plugs in a Nissan 2.5.

The plug would not seat far enough to engage the hex part of the plug because the opening for the terminal lug is to small.

Comment on this reviewHelp Icon(earn points)

 
1.0

Doesn't fit the Motorcraft SP-509 used in Trition V8

By 

from PA

About Me Casual Driver

Pros

  • Magnetic
  • Swivels

Cons

  • Not Deep Enough

Best Uses

    Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

    Despite the fact that this socket is specifically advertised for the spark plugs used in the Triton V8, it is too shallow to accommodate the Motorcraft SP-509 plug currently used in the Triton V8. Kudos to Advance Auto for offering to refund my money despite the fact that it was outside the 90 days.

    Comment on this reviewHelp Icon(earn points)

     
    5.0

    Does not for Infiniti G37 sport models

    By 

    from Valrico, FL

    About Me Casual Driver

    Pros

    • Lightweight
    • Powerful

    Cons

      Best Uses

      • Regular Maintenance

      Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

      Great look and feel. Does not fit inside the engine block area, need a thin wall 14mm socket for Infiniti's.

      Comment on this reviewHelp Icon(earn points)

      (5 of 9 customers found this review helpful)

       
      5.0

      Made my life easy !

      By 

      from Calabash, NC

      About Me Auto Enthusiast, Truck Enthusiast

      Verified Buyer
      Level 2

      Pros

      • Durable
      • Powerful

      Cons

        Best Uses

        • Automotive Repair Shop
        • Home
        • Regular Maintenance

        Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

        I purchased this product to help remove the spark plugs on my 2004 Ford F-150 pick up truck. The engine in this truck is a 5.4L with 24 valves. The plugs in this vehicle are notorious for breaking into two pieces, and require a special tool to remove. They sit very deep in a well on top of the heads, and are difficult to access especially the ones at the rear of the engine near the firewall. This swivel headed socket really helped to get the angle needed to remove the plugs, and the magnetic feature was priceless removing the 2 broken plugs that I encountered. I wouldn't recommend tackling this project without this valuable tool.

        Comment on this reviewHelp Icon(earn points)

        (3 of 7 customers found this review helpful)

         
        5.0

        Great for Ford OEM spark plugs

        By 

        from Kingston, WA

        About Me Casual Driver

        Verified Buyer
        Helpful Reviewer

        Pros

        • Durable
        • Versatile

        Cons

          Best Uses

          • Automotive Repair Shop
          • Regular Maintenance

          Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

          Engaged in removing those infamous Ford Triton engine OEM spark plugs. Did not want to get conventional spark plug socket stuck or disconnected from extension, so tried this magnetic, one-piece 9/16" socket. Works exceptionally well, to remove the plugs in those deep recessed access areas. The built-in, self-aligning joint allowed for much easier removal of all 8 spark plugs, even those "impossible" ones in the far rear on each side. I do not know why Ford uses a 9/16" plug, when most plugs use a 5/8" size, but this socket is just the thing for those odd balls!

          Comment on this reviewHelp Icon(earn points)

          (4 of 7 customers found this review helpful)

           
          5.0

          2007 ford f150 5.4

          By 

          from westminster, md

          About Me Auto Enthusiast, Truck Enthusiast

          Pros

          • Durable
          • Powerful
          • Versatile

          Cons

            Best Uses

            • Regular Maintenance

            Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

            Used this to remove the spark plugs from my 2007 5.4 3 valve. Worked excellent and I only broke 1 plug, and I used the lisle tool (lis65600) to remove it. Overall it took me 2.5 hours total to change the 8 plugs. Very happy!

            Comment on this reviewHelp Icon(earn points)

            (6 of 10 customers found this review helpful)

             
            4.0

            Magnetic Swivel Spark Plug Socket

            By 

            from Warner Robins

            About Me Casual Driver

            Verified Buyer
            Helpful Reviewer

            Pros

            • Durable
            • Good Grip
            • Versatile

            Cons

              Best Uses

              • Home
              • Minor Repairs
              • Regular Maintenance

              Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

              Great product, swivel is a must. Unfortunately it won't fit for 2009 Toyota Corolla. I had to buy a thin wall socket to remove plugs.

              Comment on this reviewHelp Icon(earn points)

              (1 of 5 customers found this review helpful)

               
              5.0

              Get the job done

              By 

              from Raleigh NC

              About Me Auto Enthusiast

              Verified Buyer
              Level 2

              Pros

              • Durable
              • Good Grip

              Cons

                Best Uses

                • Automotive Repair Shop
                • Regular Maintenance

                Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

                This product makes it easy to remove spark plugs. The Magnetic end is a plus to have.

                Comment on this reviewHelp Icon(earn points)

                (7 of 13 customers found this review helpful)

                 
                4.0

                2006 5.4 f150

                By 

                from pensacola,fl

                About Me Mechanic

                Verified Buyer
                Helpful Reviewer

                Pros

                • Durable
                • Good Grip
                • Versatile

                Cons

                  Best Uses

                  • Automotive Repair Shop
                  • Home
                  • Regular Maintenance

                  Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

                  excellent tool worked like a champ especially on those hard to reach rear plugs and since its one piece with the extension attached it makes it extra easy to remove the socket from the deep wells in the head, these plugs are already hard to remove and this tool saved me allot of tears.

                  Comment on this reviewHelp Icon(earn points)

                  (8 of 18 customers found this review helpful)

                   
                  4.0

                  Must have for F150 3 valve motors

                  By 

                  from Grand Rapids, Mi

                  About Me Truck Enthusiast

                  Verified Buyer
                  Helpful Reviewer

                  Pros

                  • Durable
                  • Good Grip
                  • Versatile

                  Cons

                    Best Uses

                    • Home
                    • Minor Repairs

                    Comments about Gear Wrench 9/16" x 6" Magnetic Swivel Spark Plug Socket:

                    Did the job on my 2005 F150. No complaints.

                    Comment on this reviewHelp Icon(earn points)

                    Displaying reviews 1-10

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                    Do you have questions about this product?(earn points for answers!)

                     

                    Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

                    1 Question | 1 Answer
                    Displaying question 1
                    • Q:

                      can this one use on 2004 Acura MDX?
                      Asked on 11/22/2012 by THANH

                      1 answer

                      • CUSTOMER CARE

                        A:

                        Sorry, this KD Tools 9/16" x 6" Magnetic Swivel Spark Plug Socket - part# 3938 fits for 9/16" spark plugs and can be used on the Ford F-150 with the Triton V8 engine. For any further assistance, please visit your nearest Advance Auto store or call us directly at 1-877-ADVANCE (238-2623) and one of our representatives there would be more than happy to assist you.

                        Answered on 11/22/2012 by Vincent from AAP
                    Displaying question 1

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